Knowledge base for software setup, errors, and daily tool work.

Firefox Secure Connection Failed: Date and Time Fix

If you see a 'Secure Connection Failed' error in Firefox that mentions date or time, it u...

Fix VS Code Terminal Not Opening PowerShell

If you click the terminal panel in VS Code and nothing happens, or it opens a blank shell instead...

Fix Nginx 502 Bad Gateway on Docker Ubuntu

Windows 11 WiFi Has Internet but Other Devices Work Fine

You're connected to WiFi on your Windows 11 PC, but the network icon shows 'No internet&#...

How to Fix Edge Sync Stuck on Preparing Sync

You open Microsoft Edge, click your profile, and see 'Preparing sync' — but it never fini...

How to Fix a Detached HEAD in Git Using SourceTree

If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...